Chu, Chin-ChouChin-ChouChuWang, C. T.C. T.Wang2010-10-202018-06-292010-10-202018-06-292007-01http://ntur.lib.ntu.edu.tw//handle/246246/217851en-USA Vortex Ring Impinging on a Solid Plane Surface:Vortex Structure and Surface Force